Genesis 30:37

And Jacob took him rods of green poplar Of the white poplar tree, called green, not from the colour, but from the moisture, being such as were cut off of the tree: and of the hazel and chestnut tree; the former some take to be the almond tree, as Saadiah Gaon, and others; and the latter to be the plantain or plane tree, so Ainsworth, and others: and pilled white strakes in them; took off the bark of them in some places, and left it on in others, which made white strakes: and made the white appear which [was] in the rods; that part of the rods which was stripped of the bark appeared white; and it appeared the whiter for the bark that was left on in other parts; and both made the rods to appear to have various colours, which was the design of Jacob in pilling them.